5631338536 has 32 divisors (see below), whose sum is σ = 11221497000. Its totient is φ = 2640173056.

The previous prime is 5631338533. The next prime is 5631338549. The reversal of 5631338536 is 6358331365.

It can be written as a sum of positive squares in 4 ways, for example, as 3114309636 + 2517028900 = 55806^2 + 50170^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5631338492 and 5631338501.

It is not an unprimeable number, because it can be changed into a prime (5631338533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40381 + ... + 113548.

Almost surely, 2^5631338536 is an apocalyptic number.

It is an amenable number.

5631338536 is a deficient number, since it is larger than the sum of its proper divisors (5590158464).

5631338536 is a wasteful number, since it uses less digits than its factorization.

5631338536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154221 (or 154217 counting only the distinct ones).

The product of its digits is 583200, while the sum is 43.

The square root of 5631338536 is about 75042.2450090614. The cubic root of 5631338536 is about 1779.1144161883.

It can be divided in two parts, 56313 and 38536, that added together give a palindrome (94849).

The spelling of 5631338536 in words is "five billion, six hundred thirty-one million, three hundred thirty-eight thousand, five hundred thirty-six".